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How fast do you start to feel hydroxyurea symptoms?
Blood Cancers & Disorders | Last Active: 3 hours ago | Replies (75)Comment receiving replies
New to this group. I've been diagnosed with an MPN ET with JAK2. Doctor has put me on 500mg HU and it took me days to pop the first pill, which I did today. I'm 68, with great blood work accept platelets getting a bit higher for the last four years, last one 627. In 2016 I had a clogged artery and now a stent, no other issues. I have to say, I'm having trouble processing all this. I shook awful trying to put this pill in my mouth, but I wanted to stop being so weak hearted. The doctor said I have Jak 2 % , which he says is a low risk, and getting leukemia in the future is also rare and low risk. But I feel like very little is understood about this disorder. I read some doctors don't even consider treatment if platelets are under 750 with no symptoms. Is this right? I'm considered high risk because of my age and the Jak gene.
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Your clot risk depends on age, mutation type, and previous clot history. At 68 with JAK2, you'd be intermediate risk. Add the clogged artery, which your doc may see as an added stroke/clot risk, and that may bump you into the high risk category for clots. It might be good to ask if the stent/clogs make a difference in treatment decisions.
Everyone with ET is kinda different. Just for comparison, I have ET-CALR, no history of clots. My doc let my platelets ride up to almost 800 before she started HU. I was 64 at the time (70 now).
The other risk with ET is acquired von Willebrands syndrome (AVWS), which occurs if you have a platelet count over 1,000. That can actually cause internal bleeding.
My dad also had ET. I don't know what mutation because only JAK 2 was known 20 years ago. He was not diagnosed until he developed leg clots. He also had an enlarged spleen and visual distortions. At diagnosis his platelets were over 1,000 and he had some internal bleeding. (Dad did not like to go to doctors, so the ET was probably brewing for many years.)
The ET didn't kill him, but it was not treated early. It took a few years to get his platelets down, and he had to take very large doses if HU and anagrelide together for a time.
He died at 82 of COPD.
I had few fears about taking the HU because of what Dad experienced. I started on 500 mg per day, but that only took blood levels to 600. Doc added 3 extra caps per week, and I stay in 400s now. I'm doing OK. The HU got rid of some of the fatigue and headaches.
Take care. You have many good years ahead.